Does milk reduce the health-benefits of tea?

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Offline thedoc

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Does milk reduce the health-benefits of tea?
« on: 06/10/2012 09:30:02 »
Rick asked the Naked Scientists:
I have been wondering for a while about the effect of milk and milk based products on the bio availability of some or all anti-oxidants in food and beverages.

Some years ago you had a guest Roger Corder, I think, and he had written a book and in it he stated that the cassein- phosphopeptides of milk in tea may envelope polyphenols and flavanoids etc and make them inactive.
Is this a fact that has been proven or is it more anectdotal?

If it is true does milk based products affect other antioxidant chemicals in the same way.

As much as I try I cannot have my tea or coffee without milk...

What do you think?
« Last Edit: 06/10/2012 09:30:02 by _system »


Offline Bored chemist

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Re: Does milk reduce the health-benefits of tea?
« Reply #1 on: 06/10/2012 13:09:29 »
I'm not certain, and I haven't done any research, but I rather suspect that the phosphopeptides in milk would get digested  which would release the polyphenols
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Offline webhenry

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Re: Does milk reduce the health-benefits of tea?
« Reply #2 on: 06/10/2012 13:51:07 »
Hi friends,
Tea is loaded with antioxidants called catechins, whether its black tea, green tea etc. Previous research showed that drinking tea improves blood flow significantly, as compared to drinking plain water. But when we add milk in tea, showed that is completely blocked the antioxidant benefits of improved blood flow. Turns out that the casein in milk significantly decrease the presence of catechins in tea.